<template>
  <div class="xtx-cart-page">
    <div class="container">
      <XtxBread>
        <XtxBreadItem to="/">首页</XtxBreadItem>
        <XtxBreadItem>购物车</XtxBreadItem>
      </XtxBread>
      <div class="cart">
        <table>
          <thead>
            <tr>
              <th width="120"><XtxCheckbox @change='checkAllSelect'  :modelValue="$store.getters['cart/isCheckAll']">全选</XtxCheckbox></th>
              <th width="400">商品信息</th>
              <th width="220">单价</th>
              <th width="180">数量</th>
              <th width="180">小计</th>
              <th width="140">操作</th>
            </tr>
          </thead>
          <!-- 有效商品 -->
          <tbody>
            <tr v-for="item in $store.getters['cart/validList']" :key="item.skuId">
              <td><XtxCheckbox @change="$store.dispatch('cart/updateCart', item)" v-model="item.selected" /></td>
              <td>
                <div class="goods">
                  <RouterLink :to="`/product/${item.id}`">
                    <img
                      :src="item.picture"
                      alt=""
                    />
                  </RouterLink>
                  <div>
                    <p class="name ellipsis">
                      {{item.name}}
                    </p>
                    <!-- 选择规格组件 -->
                     <!-- 🔔选择规格组件，旧 skuId 用于实现删除，新的 Sku 对象用于添加 -->
                  <CartSku :attrsText='item.attrsText' @change='($event)=>getSkuIdFn(item.skuId,$event)' :skuId='item.skuId'></CartSku>
                  </div>
                </div>
              </td>
              <td class="tc">
                <p>&yen;{{item.price}}</p>
                <!-- <p>比加入时降价 <span class="red">&yen;20.00</span></p> -->
              </td>
              <td class="tc">
                <XtxNumbox @change="$store.dispatch('cart/updateCart', item)" v-model="item.count" :max='item.stock' />
              </td>
              <td class="tc"><p class="f16 red">&yen;{{item.price* item.count}}</p></td>
              <td class="tc">
                <p><a href="javascript:;">移入收藏夹</a></p>
                <p><a class="green" href="javascript:;" @click="deleteCart(item.skuId)">删除</a></p>
                <p><a href="javascript:;">找相似</a></p>
              </td>
            </tr>
          </tbody>
          <!-- 无效商品 -->
          <tbody v-if="$store.getters['cart/invalidList'].length">
            <tr>
              <td colspan="6"><h3 class="tit">失效商品</h3></td>
            </tr>
            <tr v-for="i in 3" :key="i">
              <td><XtxCheckbox style="color:#eee;" /></td>
              <td>
                <div class="goods">
                  <RouterLink to="/">
                    <img
                      src="https://yanxuan-item.nosdn.127.net/13ab302f8f2c954d873f03be36f8fb03.png"
                      alt=""
                    />
                  </RouterLink>
                  <div>
                    <p class="name ellipsis">
                      和手足干裂说拜拜 ingrams手足皲裂修复霜
                    </p>
                    <p class="attr">颜色：粉色 尺寸：14cm 产地：中国</p>
                  </div>
                </div>
              </td>
              <td class="tc"><p>&yen;200.00</p></td>
              <td class="tc">1</td>
              <td class="tc"><p>&yen;200.00</p></td>
              <td class="tc">
                <p><a class="green" href="javascript:;">删除</a></p>
                <p><a href="javascript:;">找相似</a></p>
              </td>
            </tr>
          </tbody>
        </table>
        <CartNone v-if="$store.getters['cart/validList'].length===0"></CartNone>
      </div>
      <!-- 操作栏 -->
      <div class="action">
        <div class="batch">
          <XtxCheckbox  @change='checkAllSelect'  :modelValue="$store.getters['cart/isCheckAll']">全选</XtxCheckbox>
          <a href="javascript:;" @click="batchDeleteCart">删除商品</a>
          <a href="javascript:;">移入收藏夹</a>
          <a href="javascript:;"  @click="batchDeleteCart(true)">清空失效商品</a>
        </div>
        <div class="total">
          共 {{$store.getters['cart/validCountTotal']}} 件商品，已选择 {{$store.getters["cart/selectedTotal"]}} 件，商品合计：
          <span class="red">¥{{$store.getters['cart/selectedAmount']}}</span>
          <XtxButton @click="goCheckout" :type="$store.getters['cart/selectedTotal']?'primary':'gray'">下单结算</XtxButton>
        </div>
      </div>
      <!-- 猜你喜欢 -->
      <GoodRelevant />
    </div>
  </div>
</template>

<script>
import GoodRelevant from '@/views/goods/components/goods-relevant'
import { useStore } from 'vuex'
import CartNone from './components/cart-none.vue'
import Confirm from '@/components/library/Confirm.js'
import Message from '@/components/library/Message'
import CartSku from './components/cart-sku.vue'
import { useRouter } from 'vue-router'
export default {
  name: 'XtxCartPage',
  components: { GoodRelevant, CartNone, CartSku },
  setup () {
    const store = useStore()

    // 未登录：获取最新库存信息，已登录：获取用户购物车列表
    // store.dispatch('cart/findCartList')

    // 全选
    const checkAllSelect = (val) => {
      store.dispatch('cart/checkAllCart', val)
    }
    // 删除
    const deleteCart = (skuId) => {
      Confirm({ title: '温馨提示', text: '亲，您是否确认删除选中的商品' }).then(async () => {
        const res = await store.dispatch('cart/deleteCart', skuId)
        Message({ type: 'success', message: res })
      }).catch(err => {
        console.log('用户点击了取消', err)
      })
    }

    // 删除选中的商品(批量删除)，也可实现删除无效商品
    const batchDeleteCart = (isInvalid) => {
      // 这里应该还要有一个确认弹窗
      Confirm({ title: '温馨提示', text: `亲，您是否确认删除${isInvalid === true ? '无效的' : '选中的'}商品` }).then(() => {
        store.dispatch('cart/batchDeleteCart', isInvalid)
        Message({ type: 'success', message: `${isInvalid === true ? '无效' : '选中'}商品删除成功` })
      }).catch(err => {
        console.log('用户点击了取消', err)
      })
    }

    const getSkuIdFn = (oldSkuId, newSku) => {
      console.log({ oldSkuId, newSku })
      store.dispatch('cart/updateCartSku', { oldSkuId, newSku })
    }

    const router = useRouter()
    // 下单结算
    const goCheckout = () => {
      // 判断是否选中有效商品。
      if (!store.getters['cart/selectedTotal']) return Message({ type: 'warn', message: '至少选中一件商品才能结算' })
      // 判断是否登录，给确认框提示，点击确认
      if (!store.state.user.profile.token) {
        Confirm({ title: '温馨提示', text: '下单结算需要登录，您是否去登录？' }).then(() => {
          // 满足以上条件去填写订单(结算)页面。
          router.push('/member/checkout')
        // member/xxx 的域名需要登录，所以做路由拦截。
        }).catch(err => {
          console.log(err)
        })
      } else {
        // 已经登录直接跳转即可
        router.push('/member/checkout')
      }
    }

    return { checkAllSelect, deleteCart, batchDeleteCart, getSkuIdFn, goCheckout }
  }
}
</script>

<style scoped lang="less">
.tc {
  text-align: center;
  .xtx-numbox {
    margin: 0 auto;
    width: 120px;
  }
}
.red {
  color: @priceColor;
}
.green {
  color: @xtxColor;
}
.f16 {
  font-size: 16px;
}
.goods {
  display: flex;
  align-items: center;
  img {
    width: 100px;
    height: 100px;
  }
  > div {
    width: 280px;
    font-size: 16px;
    padding-left: 10px;
    .attr {
      font-size: 14px;
      color: #999;
    }
  }
}
.action {
  display: flex;
  background: #fff;
  margin-top: 20px;
  height: 80px;
  align-items: center;
  font-size: 16px;
  justify-content: space-between;
  padding: 0 30px;
  .xtx-checkbox {
    color: #999;
  }
  .batch {
    a {
      margin-left: 20px;
    }
  }
  .red {
    font-size: 18px;
    margin-right: 20px;
    font-weight: bold;
  }
}
.tit {
  color: #666;
  font-size: 16px;
  font-weight: normal;
  line-height: 50px;
}
.xtx-cart-page {
  .cart {
    background: #fff;
    color: #666;
    table {
      border-spacing: 0;
      border-collapse: collapse;
      line-height: 24px;
      th,
      td {
        padding: 10px;
        border-bottom: 1px solid #f5f5f5;
        &:first-child {
          text-align: left;
          padding-left: 30px;
          color: #999;
        }
      }
      th {
        font-size: 16px;
        font-weight: normal;
        line-height: 50px;
      }
    }
  }
}
</style>
